In light of the recent vagrant Pacific Slope/Cordilleran ("Western") Flycatcher discovered 12/19 in Branford, CT, here is news of another "Western" Flycatcher in Bucks County, PA, 20-23 Dec.The eBird checklists of Tom Johnson and Cameron Rutt include numerous photos and an audio recording of the bird's calls, clinching the ID as a Pacific Slope Flycatcher.
http://ebird.org/ebird/view/checklist?subID=S26424902
Frank Mantlik
Stratford